Tesla's joining the S&P 500 means it's time to talk about how ridiculously overvalued the company is (TSLA)
6:06am PST - November 21st, 2020 facebook stock - Business InsiderSummary List Placement Tesla made history last week when it became the most valuable company ever added to the S&P 500. After being snubbed in September, the carmaker has just joined an enviable financial club — and instantly became one of the 10 biggest hol…